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==========================================================================
Ubuntu Security Notice USN-7703-2
August 20, 2025
linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gkeop, linux-ibm,
linux-ibm-6.8 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
Summary:
Several security issues were fixed in the Linux kernel.
Software Description:
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-gkeop: Linux kernel for Google Container Engine (GKE) systems
- linux-ibm: Linux kernel for IBM cloud systems
- linux-aws-6.8: Linux kernel for Amazon Web Services (AWS) systems
- linux-gcp-6.8: Linux kernel for Google Cloud Platform (GCP) systems
- linux-ibm-6.8: Linux kernel for IBM cloud systems
Details:
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- PowerPC architecture;
- x86 architecture;
- Block layer subsystem;
- GPIO subsystem;
- GPU drivers;
- HID subsystem;
- Input Device (Mouse) drivers;
- Multiple devices driver;
- Media drivers;
- Network drivers;
- PCI subsystem;
- S/390 drivers;
- SPI subsystem;
- Trusted Execution Environment drivers;
- UFS subsystem;
- USB Device Class drivers;
- USB core drivers;
- USB Gadget drivers;
- Framebuffer layer;
- Network file system (NFS) client;
- Network file system (NFS) server daemon;
- File systems infrastructure;
- SMB network file system;
- Networking core;
- L3 Master device support module;
- TCP network protocol;
- io_uring subsystem;
- Process Accounting mechanism;
- BPF subsystem;
- Timer subsystem;
- Workqueue subsystem;
- Memory management;
- Amateur Radio drivers;
- B.A.T.M.A.N. meshing protocol;
- IPv4 networking;
- IPv6 networking;
- Multipath TCP;
- Open vSwitch;
- Network traffic control;
- SOF drivers;
(CVE-2025-21776, CVE-2025-21768, CVE-2025-21848, CVE-2025-21855,
CVE-2025-21791, CVE-2025-21838, CVE-2025-21762, CVE-2025-21846,
CVE-2025-21765, CVE-2025-21869, CVE-2025-21783, CVE-2025-21868,
CVE-2025-21857, CVE-2025-21773, CVE-2024-54458, CVE-2025-21871,
CVE-2025-21763, CVE-2024-58088, CVE-2025-21835, CVE-2025-21793,
CVE-2025-21867, CVE-2025-21784, CVE-2025-21839, CVE-2025-21786,
CVE-2025-21764, CVE-2025-21761, CVE-2025-21767, CVE-2024-58020,
CVE-2025-21847, CVE-2025-21792, CVE-2025-21785, CVE-2025-21863,
CVE-2025-21854, CVE-2025-21704, CVE-2024-52559, CVE-2025-21775,
CVE-2025-21758, CVE-2025-21858, CVE-2025-21866, CVE-2025-21870,
CVE-2024-57977, CVE-2024-54456, CVE-2025-21759, CVE-2025-21781,
CVE-2025-21760, CVE-2025-21706, CVE-2024-57834, CVE-2025-21712,
CVE-2025-21864, CVE-2025-21780, CVE-2025-21790, CVE-2025-21856,
CVE-2025-21796, CVE-2025-21859, CVE-2025-21782, CVE-2024-58093,
CVE-2025-21844, CVE-2025-21795, CVE-2025-21823, CVE-2025-21853,
CVE-2025-21772, CVE-2025-21746, CVE-2025-21821, CVE-2024-58086,
CVE-2025-21787, CVE-2025-21836, CVE-2025-21861, CVE-2025-21766,
CVE-2025-21862, CVE-2025-21779)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.04 LTS
linux-image-6.8.0-1019-gkeop 6.8.0-1019.21
linux-image-6.8.0-1033-ibm 6.8.0-1033.33
linux-image-6.8.0-1036-gcp 6.8.0-1036.38
linux-image-6.8.0-1036-gcp-64k 6.8.0-1036.38
linux-image-gcp-6.8 6.8.0-1036.38
linux-image-gcp-64k-6.8 6.8.0-1036.38
linux-image-gcp-64k-lts-24.04 6.8.0-1036.38
linux-image-gcp-lts-24.04 6.8.0-1036.38
linux-image-gkeop 6.8.0-1019.21
linux-image-gkeop-6.8 6.8.0-1019.21
linux-image-ibm 6.8.0-1033.33
linux-image-ibm-6.8 6.8.0-1033.33
linux-image-ibm-classic 6.8.0-1033.33
linux-image-ibm-lts-24.04 6.8.0-1033.33
Ubuntu 22.04 LTS
linux-image-6.8.0-1033-ibm 6.8.0-1033.33~22.04.1
linux-image-6.8.0-1035-aws 6.8.0-1035.37~22.04.1
linux-image-6.8.0-1035-aws-64k 6.8.0-1035.37~22.04.1
linux-image-6.8.0-1036-gcp 6.8.0-1036.38~22.04.1
linux-image-6.8.0-1036-gcp-64k 6.8.0-1036.38~22.04.1
linux-image-aws 6.8.0-1035.37~22.04.1
linux-image-aws-6.8 6.8.0-1035.37~22.04.1
linux-image-aws-64k 6.8.0-1035.37~22.04.1
linux-image-aws-64k-6.8 6.8.0-1035.37~22.04.1
linux-image-gcp 6.8.0-1036.38~22.04.1
linux-image-gcp-6.8 6.8.0-1036.38~22.04.1
linux-image-gcp-64k 6.8.0-1036.38~22.04.1
linux-image-gcp-64k-6.8 6.8.0-1036.38~22.04.1
linux-image-ibm-6.8 6.8.0-1033.33~22.04.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.
References:
https://ubuntu.com/security/notices/USN-7703-2
https://ubuntu.com/security/notices/USN-7703-1
CVE-2024-52559, CVE-2024-54456, CVE-2024-54458, CVE-2024-57834,
CVE-2024-57977, CVE-2024-58020, CVE-2024-58086, CVE-2024-58088,
CVE-2024-58093, CVE-2025-21704, CVE-2025-21706, CVE-2025-21712,
CVE-2025-21746, CVE-2025-21758, CVE-2025-21759, CVE-2025-21760,
CVE-2025-21761, CVE-2025-21762, CVE-2025-21763, CVE-2025-21764,
CVE-2025-21765, CVE-2025-21766, CVE-2025-21767, CVE-2025-21768,
CVE-2025-21772, CVE-2025-21773, CVE-2025-21775, CVE-2025-21776,
CVE-2025-21779, CVE-2025-21780, CVE-2025-21781, CVE-2025-21782,
CVE-2025-21783, CVE-2025-21784, CVE-2025-21785, CVE-2025-21786,
CVE-2025-21787, CVE-2025-21790, CVE-2025-21791, CVE-2025-21792,
CVE-2025-21793, CVE-2025-21795, CVE-2025-21796, CVE-2025-21821,
CVE-2025-21823, CVE-2025-21835, CVE-2025-21836, CVE-2025-21838,
CVE-2025-21839, CVE-2025-21844, CVE-2025-21846, CVE-2025-21847,
CVE-2025-21848, CVE-2025-21853, CVE-2025-21854, CVE-2025-21855,
CVE-2025-21856, CVE-2025-21857, CVE-2025-21858, CVE-2025-21859,
CVE-2025-21861, CVE-2025-21862, CVE-2025-21863, CVE-2025-21864,
CVE-2025-21866, CVE-2025-21867, CVE-2025-21868, CVE-2025-21869,
CVE-2025-21870, CVE-2025-21871
Package Information:
https://launchpad.net/ubuntu/+source/linux-gcp/6.8.0-1036.38
https://launchpad.net/ubuntu/+source/linux-gkeop/6.8.0-1019.21
https://launchpad.net/ubuntu/+source/linux-ibm/6.8.0-1033.33
https://launchpad.net/ubuntu/+source/linux-aws-6.8/6.8.0-1035.37~22.04.1
https://launchpad.net/ubuntu/+source/linux-gcp-6.8/6.8.0-1036.38~22.04.1
https://launchpad.net/ubuntu/+source/linux-ibm-6.8/6.8.0-1033.33~22.04.1
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